NDERSTANDING THE HD WORLD:
In the old CRT TVs, the maximum number of lines supported was 480. Now things have changed. Flat panel TVs be they LED, LCDs or Plasma, support 1080 lines to provide sharp pictures with vibrant colours. While HD means 1080 x 720p, this resolution has been take over by full HD, which stands for 1920 x 1080p resolution.